1325523320 has 64 divisors (see below), whose sum is σ = 3444962400. Its totient is φ = 453652480.

The previous prime is 1325523319. The next prime is 1325523341. The reversal of 1325523320 is 233255231.

It is a self number, because there is not a number n which added to its sum of digits gives 1325523320.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 81125 + ... + 96084.

Almost surely, 2^1325523320 is an apocalyptic number.

1325523320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1325523320 is an abundant number, since it is smaller than the sum of its proper divisors (2119439080).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1325523320 is a wasteful number, since it uses less digits than its factorization.

1325523320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 177248 (or 177244 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 26.

The square root of 1325523320 is about 36407.7370898000. The cubic root of 1325523320 is about 1098.4891986584.

Adding to 1325523320 its reverse (233255231), we get a palindrome (1558778551).

The spelling of 1325523320 in words is "one billion, three hundred twenty-five million, five hundred twenty-three thousand, three hundred twenty".